1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx7ulp.c b/arch/arm/mach-imx/mach-imx7ulp.c
new file mode 100644
index 000000000000..2d916e1dd2c9
--- /dev/null
+++ b/arch/arm/mach-imx/mach-imx7ulp.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017 NXP.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/irqchip.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "common.h"
+#include "cpuidle.h"
+#include "hardware.h"
+
+/* static IO mapping, and ioremap() could always share the same mapping. */
+static struct map_desc mx7ulp_io_desc[] __initdata = {
+	mx7ulp_aips_map_entry(1, MT_DEVICE),
+	mx7ulp_aips_map_entry(2, MT_DEVICE),
+	mx7ulp_aips_map_entry(3, MT_DEVICE),
+	mx7ulp_aips_map_entry(4, MT_DEVICE),
+	mx7ulp_aips_map_entry(5, MT_DEVICE),
+};
+
+static void __init imx7ulp_init_machine(void)
+{
+	struct device *parent;
+
+	parent = imx_soc_device_init();
+	if (parent == NULL)
+		pr_warn("failed to initialize soc device\n");
+
+	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static void __init imx7ulp_init_irq(void)
+{
+	/* TBD */
+	mxc_set_cpu_type(MXC_CPU_IMX7ULP);
+
+	irqchip_init();
+	imx7ulp_pm_init();
+}
+
+static void __init imx7ulp_map_io(void)
+{
+	iotable_init(mx7ulp_io_desc, ARRAY_SIZE(mx7ulp_io_desc));
+	imx7ulp_pm_map_io();
+}
+
+static void __init imx7ulp_init_late(void)
+{
+	if (IS_ENABLED(CONFIG_ARM_IMX7ULP_CPUFREQ))
+		platform_device_register_simple("imx7ulp-cpufreq", -1, NULL, 0);
+
+	imx7ulp_cpuidle_init();
+	imx7ulp_enable_nmi();
+}
+
+static const char *const imx7ulp_dt_compat[] __initconst = {
+	"fsl,imx7ulp",
+	NULL,
+};
+
+DT_MACHINE_START(IMX7ulp, "Freescale i.MX7ULP (Device Tree)")
+	.map_io		= imx7ulp_map_io,
+	.init_irq	= imx7ulp_init_irq,
+	.init_machine	= imx7ulp_init_machine,
+	.init_late      = imx7ulp_init_late,
+	.dt_compat	= imx7ulp_dt_compat,
+MACHINE_END